{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease"], "input": "We examined galactosylceramidase ( GALC ) cDNA in four Japanese patients with adult onset globoid cell leukodystrophy ( Krabbe disease ; AO - GLD ) by polymerase chain reaction / single - strand conformation polymorphism ( PCR - SSCP ) analysis , subsequent sequence determination , and restriction enzyme digestion of PCR products , initial symptoms were the onset of slowly progressive spastic paraplegia from the middle of the second decade , and all patients had diminished GALC activity in their leukocytes ."}
{"Disease": ["adult onset globoid cell leukodystrophy", "Krabbe disease", "AO - GLD", "spastic paraplegia", "diminished GALC activity"]}